FUEL CONTROL SYSTEM
In at least some implementations, a charge forming device includes a body having a main bore, a fuel metering assembly including a diaphragm that defines at least part of a fuel chamber from which fuel is provided to the main bore and a ...

CHARGE FORMING SYSTEM FOR COMBUSTION ENGINE
In at least some implementations, a charge forming system for a combustion engine includes a first fuel supply device having a first passage from which fuel is discharged for delivery to the engine and a second fuel supply device having ...

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE
The invention relates to a method for operating an internal combustion engine (1) with a liquid or gaseous fuel, wherein at least a portion of the exhaust gas produced during combustion of the fuel is recirculated into an intake tract (7...

FUEL SUPPLY SYSTEM FOR ENGINE WARM-UP
In at least one implementation, a method of operating a combustion engine, includes determining a temperature equal or related to a temperature of an engine at an engine start and comparing the determined temperature to a temperature thr...

WO/2017/121666A1

CONTROL DEVICE FOR A DIAPHRAGM CARBURETTOR
The invention relates to a control device for a diaphragm carburettor, said control device comprising a control diaphragm and a control lever, wherein the control diaphragm has a central scanning region, a functional region concentricall...

WO/2017/121668A1

CONTROL DIAPHRAGM FOR DIAPHRAGM CARBURETOR
In the case of a control diaphragm for controlling a supply of fuel in a diaphragm carburetor of an internal combustion engine, comprising a central sensing region (1), a functional region (2) which encloses the sensing region (1) concen...

WO/2017/075488A1

CURVED BASE AIR CLEANER
An apparatus and methods are provided for an air cleaner to be mounted onto an air inlet of an internal combustion engine. The air cleaner comprises an air filter that includes a filter medium disposed between a curved base and a cover. ...

WO/2017/070153A1

LAYERED DIAPHRAGM
A carburetor may have a fuel metering assembly with a metering valve and a metering diaphragm sealed to a body of the carburetor to at least partially define a metering chamber with a portion of the metering diaphragm movable relative to...

WO/2016/210309A1

FLOAT BOWL CARBURETOR
A carburetor may include a main body including a fuel and air mixing passage and a fuel bowl having a latch and a body defining a fuel chamber. The body is imperforate and the latch engages the main body to at least in part retain the fu...

WO/2016/126839A1

CARBURETOR FUEL CONTROL
A carburetor fuel flow control device having an elongate annular body received in a cavity with an inlet in its sidewall communicating with a fuel supply passage and an outlet downstream of the inlet and adjacent to an end of the body, a...

WO/2016/073697A1

IMPULSE PUMP
In at least some implementations, a carburetor includes a body, a fuel pump diaphragm and a pressure pulse passage. The fuel pump diaphragm is carried by the body and defines in part a fuel chamber on one side of the fuel pump diaphragm ...

WO/2016/066715A1

A CARBURETTOR FOR GASEOUS FUELS
A carburettor for supplying gaseous fuels in internal combustion engines, comprises a main body in which there are defined an intake section, a first pressure reduction section, a second pressure reduction section connected to the first ...

WO/2016/012233A1

CONTROL DIAPHRAGM FOR DIAPHRAGM CARBURETOR
The invention relates to a control diaphragm for controlling a fuel feed in a diaphragm carburetor of an internal combustion engine, comprising a central, substantially flat feeling region (1), a functional region (2) circumferentially e...

WO/2016/010449A1

ARRANGEMENT AND METHOD FOR FLUID INJECTION
﻿The present invention relates to an arrangement (1) and method for fluid injection, comprising an injector (2), with a chamber (3) for fluid, an opening (4) and a device (5) to change the volume within the chamber (3). The arrangement...

WO/2015/132242A1

FUEL-PROVISION SYSTEM AND HAND-HELD MOTOR-DRIVEN TOOL
The object of the invention is to improve a fuel-provision system for a hand-held motor-driven tool. To achieve this object, a fuel-provision system (100) is disclosed, comprising a pressurized fuel tank (10), a diaphragm carburettor (11...

WO/2015/130932A1

CARBURETOR WITH SCAVENGING FLUID FLOW
A carburetor may include a body having a main bore from which a fuel and air mixture is discharged for use by an engine, a throttle valve head, a choke valve head and a flow directing feature. The throttle valve head may be carried by th...

WO/2014/188150A1

A ROTATING BARREL CARBURETTOR
A carburettor incorporating an air passage (5), and a fuel passage (3), and a rotating barrel (4), the rotating barrel (4) being arranged between the air passage (5) and the fuel passage (3) so that a first portion of its surface is expo...

WO/2014/131321A1

CARBURETOR BASE OF ENGINE
A carburetor base of an engine is provided with an axial through hole (54), a pulsation hole channel (56) and an anti-blocking component (60). The anti-blocking component (60) is mounted inside the axial through hole (54) and is provided...

WO/2014/120889A1

AIRFLOW ENRICHING DEVICE
An airflow enriching device for an internal combustion engine having an intake manifold. The airflow enriching device having a reaction chamber operable to hold a supply of liquid fuel at a selected level therein, and a vapor flow contro...

WO/2014/052385A1

CARBURETOR SUPPLEMENTAL FUEL SUPPLY
A carburetor provides a supplemental fuel supply to an engine and includes a body, a fuel metering diaphragm and a fluid pump. The fuel metering diaphragm defines part of a fuel metering chamber and a reference chamber and has at least a...

WO/2014/018723A1

LAYERED DIAPHRAGM
In at least some implementations, a carburetor has a metering system that controls fuel flow from a fuel source to an air-fuel passage. The metering system includes a metering diaphragm sealed to a body of the carburetor to at least part...

WO/2014/002957A1

FUEL SUPPLY DEVICE FOR ENGINE, AND PORTABLE WORKING MACHINE
The present invention is configured from: a fuel tank (98); a carburetor (60) provided with a diaphragm pump which drives by receiving the pressure fluctuation that occurs within a crank case (16); an electric motor (40) connected to a c...

WO/2013/110081A1

SYSTEM FOR DISSOLVING GASES IN FUEL
A system for gasification of liquid fuel includes an absorber to receive liquid fuel and gas through separate ports, a vortex reactor to create a vortex of the gas and fuel droplets to enhance absorption of gas into the fuel, and a recir...

WO/2013/079899A1

A ROTATING BARREL CARBURETTOR
A carburettor incorporating an air passage (5), and a fuel passage (3), and a rotating barrel (4), the rotating barrel (4) being arranged between the air passage (5) and the fuel passage (3) so that a first portion of its surface is expo...

CARBURETOR FUEL SUPPLY SYSTEM
A purge and prime assembly for a carburetor includes a purge and prime pump that alternately takes in and discharges fluid, and a plurality of passages through which fluid is routed. The passages may include a purge passage through which...

APPARATUS, SYSTEM, AND METHOD FOR VAPORIZING A FUEL MIXTURE
An apparatus, system, and method are disclosed for vaporizing fuel. A method for vaporizing fuel includes providing a fuel vaporizer 300. The fuel vaporizer 300 includes a chamber 306 for receiving a liquid, the chamber comprising at lea...

WO/2012/103158A2

APPARATUS, SYSTEM, AND METHOD FOR VAPORIZING A FUEL MIXTURE
An apparatus, system, and method are disclosed for vaporizing fuel. A method for vaporizing fuel includes providing a fuel vaporizer 300. The fuel vaporizer 300 includes a chamber 306 for receiving a liquid, the chamber comprising at lea...

AIR SUPPLY DEVICE
An air supply device (2) used in a two-stroke engine includes: an insulator (14) having an insulator mixture passage (17) that is in communication with an intake port (5A) provided in an engine body (1) of the two-stroke engine, the insu...

WO/2011/138909A1

AIR CLEANER OF TWO-CYCLE ENGINE
Disclosed is an air cleaner of a two-cycle engine provided with an air supply path connected to the middle of a scavenging passage by which a scavenging port provided in a side portion of a cylinder and a crankcase communicate with each ...

WO/2011/074405A1

ENGINE FOR WORKING MACHINE
Provided is an engine for a working machine, wherein it is possible to use fuels having different concentrations of ethanol. A vaporizer (100) is used to adjust the mixing ratio of air and fuel within an air mixture, which is supplied to...

WO/2011/068512A1

FUEL DELIVERY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
A fuel delivery system (100) for an internal combustion engine. The fuel delivery system (100) includes a diaphragm carburettor (102) for mixing air and fuel, a start preparation system (104) for introducing fuel into the carburettor bef...

WO/2011/014149A1

CARBURETOR ARRANGEMENT
A carburetor for a gas powered internal combustion engine having a plurality of pressure reducing stages for reducing the pressure of the gas phase in a liquified petroleum gas storage bottle prior to the mixing of the gas phase of the l...

WO/2010/112003A1

METHOD FOR PRODUCING A FUEL AND FUEL
The invention relates to a method for producing a fuel for a heat engine, in which the fuel is burned by adding a combustion gas and the fuel is pressed through a packing made of sharp-edged granules so as to increase the surface of said...

WO/2009/122394A3

SONIC SYSTEM AND METHOD FOR PRODUCING LIQUID-GAS MIXTURES
A sonic saturation system is provided that comprises at least one tank for containing a reservoir of liquid solvent; at least one gas-inlet in fluid communication with a gas compressor, for introducing gaseous solute into the reservoir, ...

WO/2009/122394A2

SONIC SYSTEM AND METHOD FOR PRODUCING LIQUID-GAS MIXTURES
A sonic saturation system is provided that comprises at least one tank for containing a reservoir of liquid solvent; at least one gas-inlet in fluid communication with a gas compressor, for introducing gaseous solute into the reservoir, ...

WO/2009/119429A1

FUEL SUPPLY DEVICE FOR ENGINE
A fuel supply device for an engine, which can increase the amount of fuel in a mixed gas (13) with good response with respect to operation of a throttle valve (23) when the engine (14) is rapidly accelerated and which is reduced in size....

WO/2009/116902A1

FUEL SUPPLY UNIT
A fuel supply unit (1) is provided e.g. a carbu rettor or a low pressure injection system of an internal combustion engine. The fuel supply unit (1) include s a main air passage (3), which has a throttle valve (8, 9) mount ed therein and...

WO/2009/086574A1

CARBURETOR
The invention relates to a carburetor, comprising a housing (1) having a connection (2, 4) each for an air current and for liquid fuel, said housing enclosing an open-pored flow body (5) for conducting the air current and the fuel, and t...

WO/2009/067281A1

METHOD AND SYSTEM FOR LIQUID FUEL CONDITIONING
A fuel conditioning method is applicable to common rail direct injection or unit injector system. A liquid fuel is conditioned for higher-efficiency combustion in a combustion chamber. The conditioning system includes a fuel vessel (6) f...